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General Surgery

Darren Nisly, DO

Works at hospitals in Meeker, CO · Rifle, CO · Grand Junction, CO … · Colorado, Utah

Summary

Darren Nisly, DO (General Surgery) is listed by Medicare at 5 hospitals in Meeker, CO, Rifle, CO and Grand Junction, CO and other places. NPI 1811375223. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Darren Nisly, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

General SurgeryPrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
Rocky Vista University College Of Osteopathic MedMedical school
MaleGender (as listed)
Grand River Hospital DistrictGroup practice (+2 more)

Quick answers

Which hospitals does Darren Nisly work at?
Medicare's official clinician data lists Darren Nisly at 5 hospitals: Eastern Rio Blanco County Health Service District, Grand River Hospital District, Intermountain Health St. Mary's Regional Hospital, Moab Regional Hospital and Valley View Hospital Association. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Darren Nisly see patients?
Medicare's clinician data lists 4 practice locations, including Meeker, CO, Grand Junction, CO and Rifle, CO. Call before your visit to confirm the address.
What is Darren Nisly's specialty?
Medicare lists General Surgery as the primary specialty.
Does Darren Nisly accept Medicare assignment?
Yes. Medicare's clinician data says Darren Nisly accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Darren Nisly?
(970) 878-5047, as listed in official Medicare / NPI Registry data.
What is Darren Nisly's NPI number?
1811375223. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Darren Nisly works

Medicare's Facility Affiliation Data lists Darren Nisly at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Darren Nisly is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Darren Nisly as a member of these groups (CMS data updated 2026-10-02).

  • Grand River Hospital District80 clinicians in the group
  • Colorado Surgical Affiliates LLC52 clinicians in the group
  • Eastern Rio Blanco County Health Service District40 clinicians in the group

Specialties

Find other General Surgery doctors in Colorado →

Other general surgeons in Colorado

Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.

All general surgeons in Colorado →

Clinician information

CredentialDO
Medical schoolRocky Vista University College Of Osteopathic Med
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811375223
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians